#a1 {
  width: 100%;
  height: 417px;
  background-color: rgba(222, 184, 135, 0.3);
  position: relative;
}

#a2 {
  width: 1000px;
  height: 357px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

#a3 {
  width: 650px;
  height: 357px;
  float: left;
}

#a4 {
  width: 323px;
  height: 357px;
  float: right;
}

#a4 #m1 {
  height: 64px;
  margin-bottom: 7px;
  cursor: pointer;
}

#a4 #m2 {
  height: 222px;
  cursor: pointer;
}

#a4 img {
  width: 100%;
  height: 100%;
}

#a3-1 {
  width: 650px;
  height: 186px;
  text-align: left;
}

#a3-1 #dk {
  position: relative;
  left: 95%;
}

#a3-1 #dk:hover {
  cursor: pointer;
}

#a3-1 div {
  width: 325px;
  white-space: nowrap;
  line-height: 37px;
  display: inline;
  float: right;
}

#a3-1 div:hover {
  color: red;
  cursor: pointer;
}

#a3-2 {
  width: 650px;
  height: 166px;
  margin-top: 5px;
}

#a3-2 div {
  width: 320px;
  height: 80px;
  float: left;
  margin-right: 5px;
  margin-bottom: 5px;
  position: relative;
  overflow: hidden;
}

#a3-2 div img {
  width: 100%;
  height: 100%;
  cursor: pointer;
  background-size: cover;
  position: absolute;
}

#a3-2 div img:hover {
  transform: scale(1.05);
  transition: transform 0.3s ease-in-out;
}

#carousel-inner img {
  width: 100px;
}
